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 ###Instrução: Quantas rodadas um Defensive End Pick tem?
 ###Tabelas: CREATE TABLE  (_id AUTO_INCREMENT PRIMARY KEY, Round INT, Pick # INT, Overall INT, Name VARCHAR, Position VARCHAR, College VARCHAR) CREATE TABLE highest_team_totals_against (highest_team_totals_against_id AUTO_INCREMENT PRIMARY KEY, Rank VARCHAR, Runs VARCHAR, Opponent VARCHAR, Venue VARCHAR, Season VARCHAR) CREATE TABLE list_of_the_50_largest_country_subdivisions_by_area (list_of_the_50_largest_country_subdivisions_by_area_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Subdivision name VARCHAR, Country VARCHAR, Area (km²) INT, Population INT) CREATE TABLE chronological_list_of_grand_slam_singles_titles_leaders (chronological_list_of_grand_slam_singles_titles_leaders_id AUTO_INCREMENT PRIMARY KEY, Years led VARCHAR, Span of years led INT, Player VARCHAR, Titles won at point of lead INT, Total Career titles INT, Tournament at which lead began VARCHAR) CREATE TABLE cuisine (cuisine_id AUTO_INCREMENT PRIMARY KEY, Total fat VARCHAR, Saturated fat VARCHAR, Monounsaturated fat VARCHAR, Polyunsaturated fat VARCHAR, Smoke point VARCHAR)  
SELECT COUNT Round FROM  WHERE Position = defensive end